Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

These small, triangular, colorful houses are a staple of Madeira Island.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

In the town of Třeboň, carp is king.

Heralded as one of the prettiest castles in all of Czechia.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

Abandoned substation turned village treasure.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A massive, abstract lookout tower providing a panoramic view of Prague.